{"id":26270,"date":"2022-04-17T11:22:00","date_gmt":"2022-04-17T09:22:00","guid":{"rendered":"https:\/\/perseus.de\/authentification-a-deux-facteurs\/"},"modified":"2026-03-27T14:34:07","modified_gmt":"2026-03-27T13:34:07","slug":"authentification-a-deux-facteurs","status":"publish","type":"post","link":"https:\/\/perseus.de\/fr\/authentification-a-deux-facteurs\/","title":{"rendered":"Authentification \u00e0 deux facteurs"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"26270\" class=\"elementor elementor-26270 elementor-22311\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cab3f18 e-flex e-con-boxed e-con e-parent\" data-id=\"cab3f18\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-2a02b8b e-con-full e-flex e-con e-child\" data-id=\"2a02b8b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-8325a8a e-con-full e-flex e-con e-child\" data-id=\"8325a8a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4f80ded elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"4f80ded\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Authentification \u00e0 deux facteurs<span style=\"font-size: 2.5rem\"><\/span><br><\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2d061a7 elementor-widget elementor-widget-image\" data-id=\"2d061a7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/perseus.de\/wp-content\/uploads\/2025\/05\/Headerbild-Glossary-Page-300x300.png\" class=\"attachment-medium size-medium wp-image-25818\" alt=\"\" srcset=\"https:\/\/perseus.de\/wp-content\/uploads\/2025\/05\/Headerbild-Glossary-Page-300x300.png 300w, https:\/\/perseus.de\/wp-content\/uploads\/2025\/05\/Headerbild-Glossary-Page-150x150.png 150w, https:\/\/perseus.de\/wp-content\/uploads\/2025\/05\/Headerbild-Glossary-Page-768x768.png 768w, https:\/\/perseus.de\/wp-content\/uploads\/2025\/05\/Headerbild-Glossary-Page.png 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3e353c6b e-flex e-con-boxed e-con e-parent\" data-id=\"3e353c6b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-45553dfd e-con-full e-flex e-con e-child\" data-id=\"45553dfd\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e839854 elementor-widget elementor-widget-text-editor\" data-id=\"e839854\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<header class=\"Single__header Background Background--lightBlue\"><div class=\"container\"><div class=\"grid grid--size12 grid--size6D\"><div class=\"Share\"><div class=\"Module Text Background Background--lightBlue\"><div class=\"container\"><div class=\"grid grid--size12 grid--size8T\"><div class=\"Module Text Background Background--lightBlue\"><div class=\"container\"><div class=\"grid grid--size12 grid--size8T\"><p data-start=\"63\" data-end=\"331\"><strong data-start=\"67\" data-end=\"106\">L&rsquo;authentification \u00e0 deux facteurs (2FA)<\/strong> est un proc\u00e9d\u00e9 de s\u00e9curit\u00e9 qui consiste \u00e0 v\u00e9rifier deux caract\u00e9ristiques ind\u00e9pendantes (\u00ab facteurs \u00bb) lors de la connexion afin de confirmer sans ambigu\u00eft\u00e9 l&rsquo;identit\u00e9 d&rsquo;un utilisateur. Elle offre une protection nettement sup\u00e9rieure \u00e0 celle d&rsquo;un simple mot de passe. <\/p><h3 data-start=\"333\" data-end=\"364\"> <\/h3><h3 data-start=\"333\" data-end=\"364\">Qu&rsquo;est-ce que cela signifie en d\u00e9tail ?<\/h3><p data-start=\"366\" data-end=\"470\">Pour acc\u00e9der \u00e0 un compte ou \u00e0 un syst\u00e8me, il faut combiner <strong data-start=\"415\" data-end=\"451\">deux des trois facteurs suivants<\/strong> :<\/p><ol data-start=\"472\" data-end=\"713\"><li data-start=\"472\" data-end=\"540\"><p data-start=\"475\" data-end=\"540\"><strong data-start=\"475\" data-end=\"485\">Connaissance <\/strong>\u2013 quelque chose que seule la personne conna\u00eet (par exemple, un mot de passe, un code PIN)<\/p><\/li><li data-start=\"541\" data-end=\"627\"><p data-start=\"544\" data-end=\"627\"><strong data-start=\"544\" data-end=\"554\">Possession <\/strong>\u2013 quelque chose qui appartient uniquement \u00e0 la personne (par exemple, un smartphone, un jeton, une carte \u00e0 puce)<\/p><\/li><li data-start=\"628\" data-end=\"713\"><p data-start=\"631\" data-end=\"713\"><strong data-start=\"631\" data-end=\"644\">La biom\u00e9trie<\/strong> \u2013 un \u00e9l\u00e9ment propre \u00e0 la personne (par exemple, empreintes digitales, reconnaissance faciale)<\/p><\/li><\/ol><p data-start=\"715\" data-end=\"800\"> <\/p><p data-start=\"715\" data-end=\"800\"><strong data-start=\"758\" data-end=\"765\">Un exemple typique<\/strong> : connexion \u00e0 l&rsquo;aide d&rsquo;un mot de passe et d&rsquo;un code \u00e0 usage unique envoy\u00e9 par application ou par SMS.<\/p><h3 data-start=\"802\" data-end=\"827\"> <\/h3><h3 data-start=\"802\" data-end=\"827\">Pourquoi a-t-on besoin de l&rsquo;authentification \u00e0 deux facteurs ?<\/h3><p data-start=\"829\" data-end=\"1052\">Les mots de passe seuls n&rsquo;offrent souvent pas une protection suffisante : ils peuvent \u00eatre devin\u00e9s, vol\u00e9s ou divulgu\u00e9s \u00e0 la suite de fuites de donn\u00e9es. L&rsquo;authentification \u00e0 deux facteurs (2FA) emp\u00eache un pirate d&rsquo;acc\u00e9der au syst\u00e8me \u00e0 l&rsquo;aide d&rsquo;un simple mot de passe vol\u00e9. <\/p><h3 data-start=\"1054\" data-end=\"1099\"> <\/h3><h3 data-start=\"1054\" data-end=\"1099\">Dans quel contexte cela se pr\u00e9sente-t-il dans le quotidien professionnel d&rsquo;une PME ?<\/h3><ul data-start=\"1101\" data-end=\"1389\"><li data-start=\"1101\" data-end=\"1184\"><p data-start=\"1103\" data-end=\"1184\">Lors de<strong data-start=\"1108\" data-end=\"1137\"> l&rsquo;acc\u00e8s \u00e0 des services cloud<\/strong> tels que Microsoft 365, Google Workspace ou DATEV<\/p><\/li><li data-start=\"1185\" data-end=\"1230\"><p data-start=\"1187\" data-end=\"1230\">Lors de la connexion au r\u00e9seau de l&rsquo;entreprise via un <strong data-start=\"1192\" data-end=\"1205\">VPN<\/strong><\/p><\/li><li data-start=\"1231\" data-end=\"1317\"><p data-start=\"1233\" data-end=\"1317\">Lors de l&rsquo;acc\u00e8s \u00e0 des interfaces d&rsquo;administration, par exemple des serveurs, des bo\u00eetes e-mail ou des syst\u00e8mes CRM<\/p><\/li><li data-start=\"1318\" data-end=\"1389\"><p data-start=\"1320\" data-end=\"1389\">Bei Tools zur Verwaltung von Kundendaten oder sensiblen Informationen<\/p><\/li><\/ul><h3 data-start=\"1391\" data-end=\"1423\"> <\/h3><h3 data-start=\"1391\" data-end=\"1423\">Vorteile f\u00fcr Ihr Unternehmen<\/h3><ul data-start=\"1425\" data-end=\"1639\"><li data-start=\"1425\" data-end=\"1499\"><p data-start=\"1427\" data-end=\"1499\"><strong data-start=\"1427\" data-end=\"1467\">Schutz vor unautorisierten Zugriffen<\/strong>, auch bei geleakten Passw\u00f6rtern<\/p><\/li><li data-start=\"1500\" data-end=\"1572\"><p data-start=\"1502\" data-end=\"1572\"><strong data-start=\"1502\" data-end=\"1524\">Einfach umzusetzen<\/strong> mit Authenticator-Apps, SMS oder Hardware-Token<\/p><\/li><li data-start=\"1573\" data-end=\"1639\"><p data-start=\"1575\" data-end=\"1639\"><strong data-start=\"1575\" data-end=\"1612\">Empfohlen von Datenschutzbeh\u00f6rden<\/strong> und Cybersecurity-Experten<\/p><\/li><\/ul><p data-start=\"1641\" data-end=\"1843\" data-is-last-node=\"\" data-is-only-node=\"\"> <\/p><p data-start=\"1641\" data-end=\"1843\" data-is-last-node=\"\" data-is-only-node=\"\">Zwei-Faktor-Authentifizierung ist eine der effektivsten und gleichzeitig kosteng\u00fcnstigsten Ma\u00dfnahmen, um IT-Systeme in KMUs besser abzusichern \u2013 besonders bei sensiblen Anwendungen und Daten.<\/p><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/header>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-cb1ddf2 e-flex e-con-boxed e-con e-parent\" data-id=\"cb1ddf2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-739b2b0 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"739b2b0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Authentification \u00e0 deux facteurs L&rsquo;authentification \u00e0 deux facteurs (2FA) est un proc\u00e9d\u00e9 de s\u00e9curit\u00e9 qui consiste \u00e0 v\u00e9rifier deux caract\u00e9ristiques ind\u00e9pendantes (\u00ab facteurs \u00bb) lors de la connexion afin de confirmer sans ambigu\u00eft\u00e9 l&rsquo;identit\u00e9 d&rsquo;un utilisateur. Elle offre une protection nettement sup\u00e9rieure \u00e0 celle d&rsquo;un simple mot de passe. Qu&rsquo;est-ce que cela signifie en d\u00e9tail [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[58],"tags":[],"class_list":["post-26270","post","type-post","status-publish","format-standard","hentry","category-cyberlexique"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Authentification \u00e0 deux facteurs - Perseus Technologies<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/perseus.de\/fr\/authentification-a-deux-facteurs\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Authentification \u00e0 deux facteurs - Perseus Technologies\" \/>\n<meta property=\"og:description\" content=\"Authentification \u00e0 deux facteurs L&rsquo;authentification \u00e0 deux facteurs (2FA) est un proc\u00e9d\u00e9 de s\u00e9curit\u00e9 qui consiste \u00e0 v\u00e9rifier deux caract\u00e9ristiques ind\u00e9pendantes (\u00ab facteurs \u00bb) lors de la connexion afin de confirmer sans ambigu\u00eft\u00e9 l&rsquo;identit\u00e9 d&rsquo;un utilisateur. Elle offre une protection nettement sup\u00e9rieure \u00e0 celle d&rsquo;un simple mot de passe. 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